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Line -> LineSegment

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git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4707 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Nathan Curtis
2007-05-10 22:00:24 +00:00
parent 96dd2deba3
commit 01b43deb6e
1 changed files with 7 additions and 7 deletions
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src/as/com/threerings/util/Line.as → src/as/com/threerings/util/LineSegment.as
+7 -7
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@@ -27,7 +27,7 @@ import flash.geom.Matrix;
/** /**
* Merely a typed container for two Points. * Merely a typed container for two Points.
*/ */
public class Line implements Equalable public class LineSegment implements Equalable
{ {
public static const INTERSECTION_NORTH :int = 1; public static const INTERSECTION_NORTH :int = 1;
public static const INTERSECTION_SOUTH :int = 2; public static const INTERSECTION_SOUTH :int = 2;
@@ -36,7 +36,7 @@ public class Line implements Equalable
public var start :Point; public var start :Point;
public var stop :Point; public var stop :Point;
public function Line (start :Point, stop :Point) public function LineSegment (start :Point, stop :Point)
{ {
this.start = start; this.start = start;
this.stop = stop; this.stop = stop;
@@ -50,7 +50,7 @@ public class Line implements Equalable
return Point.distance(start, stop); return Point.distance(start, stop);
} }
public function isIntersected (line :Line) :Boolean public function isIntersected (line :LineSegment) :Boolean
{ {
return getIntersectionType(line) != DOES_NOT_INTERSECT; return getIntersectionType(line) != DOES_NOT_INTERSECT;
} }
@@ -58,7 +58,7 @@ public class Line implements Equalable
/** /**
* Return the point at which the other line intersects us. * Return the point at which the other line intersects us.
*/ */
public function getIntersectionPoint (line :Line) :Point public function getIntersectionPoint (line :LineSegment) :Point
{ {
return getIntersection(line, true) as Point; return getIntersection(line, true) as Point;
} }
@@ -72,7 +72,7 @@ public class Line implements Equalable
* Intersections are inclusive. If one or both points lands on this line, interects will not * Intersections are inclusive. If one or both points lands on this line, interects will not
* return DOES_NOT_INTERSECT. * return DOES_NOT_INTERSECT.
*/ */
public function getIntersectionType (line :Line) :int public function getIntersectionType (line :LineSegment) :int
{ {
return getIntersection(line, false) as int; return getIntersection(line, false) as int;
} }
@@ -80,7 +80,7 @@ public class Line implements Equalable
// from interface Equalable // from interface Equalable
public function equals (o :Object) :Boolean public function equals (o :Object) :Boolean
{ {
var other :Line = o as Line; // or null if not a line var other :LineSegment = o as LineSegment; // or null if not a line
if (other == null) { if (other == null) {
return false; return false;
} }
@@ -94,7 +94,7 @@ public class Line implements Equalable
* and returns either the intersected point or merely the intersection * and returns either the intersected point or merely the intersection
* type. * type.
*/ */
protected function getIntersection (line :Line, returnPoint :Boolean) :* protected function getIntersection (line :LineSegment, returnPoint :Boolean) :*
{ {
// rotate so that this line is horizontal, with the start on the left, at (0, 0) // rotate so that this line is horizontal, with the start on the left, at (0, 0)
var trans :Matrix = new Matrix(); var trans :Matrix = new Matrix();